//
//  AppDelegate.swift
//  MyWeiBo
//
//  Created by 俞存旭 on 16/9/23.
//  Copyright © 2016年 俞存旭. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

//        sleep(2)//延迟2秒
        window = UIWindow()
        window?.backgroundColor = UIColor.white
        window?.rootViewController = WBMainViewController()
        window?.makeKeyAndVisible()
        
        loadAppInfo()
        
        return true
    }


}
//MARK- 模拟从服务器加载引用程序信息
extension AppDelegate {
    
    func loadAppInfo() {
        //1.模拟异步
        DispatchQueue.global().async {
            //1.url
            let url = Bundle.main.url(forResource: "main.json", withExtension: nil)
            //2.data
            let data = NSData(contentsOf: url!)
            //3.写入磁盘
            let docDir = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
            let jsonPath = (docDir as NSString).appendingPathComponent("main.json")
            
            data?.write(toFile: jsonPath, atomically: true)
            print("应用程序加载完毕\(jsonPath)")
        }
    }
}






